Volatiles Profiling, Allelopathic Activity, and Antioxidant Potentiality of Leaves Essential Oil from Egypt: Evidence from Chemometrics Analysis.

The essential oil (EO) of L. leaves (family: Asteraceae) was extracted by hydrodistillation, and then analyzed by gas chromatography-mass spectrometry (GC-MS). Forty-three essential compounds were identified.

Postsurgical Pyoderma Gangrenosum Versus Necrotizing Fasciitis: Can We Spot the Difference?

Background: Pyoderma gangrenosum is a rare noninfectious cutaneous disease characterized by expanding areas of skin ulceration around necrotic centers with purulent debris. Exceptionally, it can be precipitated by surgery alone, and this entity has been described as postsurgical pyoderma gangrenosum (PSPG). Cases of PSPG in the literature are rare.